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2. SGLA II 2018 SURVEY INSTRUMENTS (EXC. TEST FORMS) PUBLISHED 11.10.2018
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3. SGLA II 2018 DATA (EXCEL) PUBLISHED 11.10.2018
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4. SGLA II 2018 DATA (STATA) PUBLISHED 11.10.2018
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1. SGLA II 2018 DATA DOCUMENTATION PUBLISHED 11.10.2018.pdf